查询词典 diffusion equation

Roadway boundary condition has a good applicability and stability in difference calculation of diffusion equation.

巷道边界条件适用于扩散方程的差分计算并具有很好的稳定性。

In final chapter, we will discuss a perturbation method to solve the one-dimension Fokker-Planck equation with a constant diffusion coefficient and time-dependent drift coefficient.

所以我们在论文最后介绍一种新的方法来处理某一种Fokker-Planck方程式，这个方法就是微扰近似法。

The purpose of this thesis is to present a direct perturbative method to solving certain Fokker-Planck equation, which have constant diffusion coefficients and some small parameters in the drift coefficients.

中文摘要本篇论文应用微扰法来解某些Fokker-Planck方程式，而这种Fokker- Planck方程式具有扩散系数是常数以及漂移系数是很小的参数的特徵。

In the second part, a method studying stochastic transition which is the master equation method is introduced, and explicit solutions of velocity V and diffusion constant D of the steady state are obtained when a particle hops among a dimensional and periodic N states.

第二部分介绍了一种研究随机跃迁的方法—主方程方法，着重推导了粒子做一维周期性N态随机跃迁时达到稳态的速度、扩散系数的一般表达式。

A fundamental solution for the linear case of the complex diffusion equation is developed.

一个复杂的线性情况下根本的解决办法扩散方程的发展。

And this paper introduces the optimal control problem for the assets evolution equation with diffusion term.

第三节，给出本文的总结，并介绍了带有扩散项的资产发展方程的最优控制问题。

The diffusion speed of the equation is determined based on the fringe density.

在该方法中，方程的演化速度是由条纹的密度决定的。

In this paper, a new method which is based on anisotropic diffusion equation for INSAR phase noise reduction is proposed.

摘要该文提出了一种基于各向异性扩散偏微分方程抑制干涉合成孔径雷达相位噪声的算法。

Anisotropic diffusion equation is used to reduce speckle noise.

研究了各向异性扩散方程在医学超声图像去噪中的应用。

This kind of equation is from diffusion process with jumps and has important application in stochastic control and finance mathematics.

本文研究一类带有非局部积分项的完全非线性椭圆型方程粘性解的比较原理，这类方程源自带跳跃的扩散过程，在随机控制，金融数学中有广泛而重要的应用。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。